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01Islington, London

Listed building consent drawings in Islington

Islington's policy asks for a Heritage Statement informed by specialist advice, so the drawings and the statement have to tell the same story. We draw the existing building and the proposal to the questions the statement raises, so whoever writes the statement can point to each sheet.

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    02The brief

    The statement comes first

    Islington's Local Plan treats the statement as a requirement for planning and consent applications alike. The plan's wording is recorded as Heritage Statement required, and the statement must assess the impact on significance with specialist heritage advice behind it.

    That order matters for the drawings. The statement describes significance, and the sheets are the evidence it points to: plans, sections and elevations of the building as it stands. We draw those from a measured survey so the statement is written about measured fabric and not a sketch.

    Red-brick mansion blocks and shopfronts on a street corner
    Upper floors of a large yellow-brick Victorian house in London with chimney pots
    Photograph: Lorenc Memaga

    03The record

    Local figures for Islington

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Planning and LBC applications need a Heritage Statement, informed by specialist heritage advice, assessing impact on significance.Heritage Statement requiredNo periodislington.gov.uk, Islington Local Plan Strategic and Development Management Policies 2023, Policy DH2 A, p248
    Harm to a listed building's significance needs clear and convincing justification; substantial harm or loss strongly resisted.clear and convincing justificationNo periodislington.gov.uk, Islington Local Plan Strategic and Development Management Policies 2023, Policy DH2 D, p248
    NPPF Aug 2026, policy HE5(1)Proposals affecting heritage assets need an assessment of significance (including setting) proportionate to the asset's importanceNo periodgov.uk
    NPPF Aug 2026, policy HE6(1)Substantial weight to the conservation of designated heritage assetsNo periodgov.uk
    Planning (Listed Buildings and Conservation Areas) Act 1990 s9(1), s9(4)Works without consent: up to 6 months' imprisonment or a fine on summary conviction; up to 2 years or a fine on indictmentNo periodlegislation.gov.uk
    Listed building entries1,050 list entries (Historic England, within the LPA boundary)No periodplanning.data.gov.uk
    Grade I listed entries12 list entriesNo periodplanning.data.gov.uk
    Grade II* listed entries34 list entriesNo periodplanning.data.gov.uk
    Heritage at Risk entries33 Heritage at Risk Register entries within the LPA boundary (Historic England)No periodplanning.data.gov.uk
    Listed building consent decisions (PS2)262 listed building consent decisions (to alter or extend)2025 Q2 to 2026 Q1 (1 Apr 2025 to 31 Mar 2026)assets.publishing.service.gov.uk
    Listed building consents granted (PS2)91.2 % granted2025 Q2 to 2026 Q1 (1 Apr 2025 to 31 Mar 2026)assets.publishing.service.gov.uk

    A blank value means the figure has not been published, not that there are none. Check your own address with the council.

    Islington4 neighbouring councils
    Councils bordering Islington

    04The streets

    Householder applications by street in Islington

    Streets in Islington with the most householder applications, and the share approved
    StreetApplicationsApproved
    Corbyn Street3585%
    Plimsoll Road2893%
    Aberdeen Park2491%
    Thorpedale Road2190%
    Highbury Hill2094%
    Hungerford Road2088%
    Sussex Way18100%
    Avenell Road1585%
    Hemingford Road1579%
    Huddleston Road15100%
    Romilly Road1592%
    Harberton Road14100%
    Offord Road1486%
    St George's Avenue14100%
    Thornhill Road1479%

    Counts of householder applications by street; no individual applications are shown. Streets with fewer than five applications are left out.

    GLA Planning London Datahub, householder applications

    05The drawing

    The listed building consent routeA, What the council weighs: Proposals affecting heritage assets need an assessment of significance (including setting) proportionate to the asset's importance. B, The weight given to conservation: Substantial weight to the conservation of designated heritage assets. C, Islington: consents decided: 262 listed building consent decisions (to alter or extend). D, Islington: consents granted: 91.2 % granted. E, Works without consent: Works without consent: up to 6 months' imprisonment or a fine on summary conviction; up to 2 years or a fine on indictmentSurvey and significanceHeritage statementDrawings and scheduleCouncil decisionABCDE

    The listed building consent route

    How works to a listed building are consented, from the first survey to the decision.

    A What the council weighs
    Proposals affecting heritage assets need an assessment of significance (including setting) proportionate to the asset's importance
    B The weight given to conservation
    Substantial weight to the conservation of designated heritage assets
    C Islington: consents decided
    262 listed building consent decisions (to alter or extend)
    D Islington: consents granted
    91.2 % granted
    E Works without consent
    Works without consent: up to 6 months' imprisonment or a fine on summary conviction; up to 2 years or a fine on indictment
    The listed house in its terrace3D
    Scroll the page: the model turns with it.

    06The detail

    Justifying harm

    Where a proposal harms a listed building's significance, Islington's policy asks for clear and convincing justification, and it strongly resists substantial harm or loss. Our design-option sheets record what was tried and dropped, which is the raw material for that argument.

    National policy frames the same question. Proposals affecting heritage assets need an assessment of significance (including setting) proportionate to the asset's importance, and the weight given is also national: Substantial weight to the conservation of designated heritage assets.

    Canonbury Square and the front areas

    The council describes Canonbury Square as one of the earliest and finest squares in Islington, and the New River Walk as an important feature of the area. Conservation-area designation adds a second layer beside listing. Canonbury Conservation Area was designated on 18 February 1969 and last amended on 23 January 2001; East Canonbury was designated on 26 June 1989 and last extended on 25 February 2003.

    Two of the area's design rules bear on any house in it. The council will not normally permit front basement areas to be filled in or covered over in the Canonbury Conservation Area. Alteration or removal of original front walls, railings and footings will not be permitted; new railings black, to an agreed pattern. Our Canonbury guide sets out the roof and rear-extension rules beside them.

    The borough's heritage record

    Islington has 1,050 list entries: 12 at Grade I, 34 at Grade II* and 1,002 at Grade II. The Heritage at Risk Register carries 33 entries within the borough.

    For the most recent year of published returns the council decided 262 applications to alter or extend a listed building and granted 91.2%. Those are past decisions and no forecast for your house.

    Consent and planning permission are separate applications. A roof scheme on a listed house also raises mansard roof drawings in Islington, and a basement raises basement conversion drawings in Islington.

    Planning sheet for a single-storey rear extension: proposed ground floor plan and rear elevation, with the Property Architecture title block
    Sample drawing. Proposed plan and rear elevation from a planning application set, sheet 03 at 1:50.

    07The papers

    What the drawings rest on

    Pencil resting on a dimensioned technical drawing beside a scale ruleArchitectural design
    Photograph: Sven Mieke
    Building regulations section through a rear extension, with the roof, floor, wall and foundation build-ups labelled
    Sample drawing. Section A-A with the build-ups building control checks, sheet 07 at 1:50.

    08Correspondence

    Questions

    Does Islington require a Heritage Statement for listed building consent?

    Yes. The plan's requirement is recorded as Heritage Statement required, informed by specialist heritage advice. The statement needs that specialist input; our part is the measured existing and proposed sheets it refers to.

    What does clear and convincing justification mean for my drawings?

    It is the policy's phrase for the case you make when a change harms a listed building's significance. We show the existing fabric, the harm, and the alternatives that were tested and set aside.

    Can I change the front railings of a listed house in Canonbury?

    The Canonbury design guidelines are firm on this. Alteration or removal of original front walls, railings and footings will not be permitted; new railings black, to an agreed pattern. Railings can also be part of the list entry, so we read the entry before drawing.

    What happens if work started before consent?

    Works without consent: up to 6 months' imprisonment or a fine on summary conviction; up to 2 years or a fine on indictment. Stop the work, photograph what exists and send the pictures to us, and we advise on the next step.

    Rows of brick terraced houses and gardens on a residential street

    91.2%

    granted

    Listed building consents granted (PS2), Islington, 2025 Q2 to 2026 Q1 (1 Apr 2025 to 31 Mar 2026). Source: assets.publishing.service.gov.uk

    Photograph: Altaf Shah

    09Further reading

    Other services in Islington

    Listed building consent drawings nearby

    10Sources

    Sources and dates

    Licences

    Kensington street lined with brick townhouses and lit streetlamps beneath an orange dusk sky

    Send us the address of your house.

    We look up the conservation area, listing and Article 4 position, then reply with a fixed fee. A message before 3pm is answered the same working day.

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    Listed building consent drawings in Islington